Articles | Volume 34, issue 12
https://doi.org/10.5194/angeo-34-1175-2016
https://doi.org/10.5194/angeo-34-1175-2016
Regular paper
 | 
15 Dec 2016
Regular paper |  | 15 Dec 2016

Observations of diffusion in the electron halo and strahl

Chris Gurgiolo and Melvyn L. Goldstein

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Using Cluster data we have noted observations of diffusion-like signatures in the energy range where the the solar wind halo and strahl populations overlap. This includes the development of a proto-halo. At present the source of this diffusion is not known or understood. The prime analysis was carried out through the use of phi–theta plots at individual energy steps. The motivation was to understand if repartitioning in energy was occurring at these locations.